ansible-playbooks/roles/caddy/tasks/build_caddy.yml

- name: install xcaddy from debian/ubuntu repository
  block:
    - name: install dependencies
      package:
        name:
          - debian-keyring
          - debian-archive-keyring
          - apt-transport-https


    - name: get xcaddy signing key location
      set_fact:
        caddy_xcaddy_signing_key_file: "{{ (gpg_keyrings_dir, 'xcaddy.asc') | path_join }}"


    - name: add xcaddy signing key
      get_url:
        url: "{{ caddy_xcaddy_gpg_key_url }}"
        dest: "{{ caddy_xcaddy_signing_key_file }}"
        mode: a+r


    - name: add apt repo
      apt_repository:
        repo: "deb [signed-by={{ caddy_xcaddy_signing_key_file | quote }}] {{ caddy_xcaddy_repo_url }} any-version main"
      register: result


    - name: update repository index
      apt:
        force_apt_get: yes
        update_cache: yes
      changed_when: no
      when: result.changed


    - name: install xcaddy
      package:
        name:
          - xcaddy
          - golang

  when: ansible_distribution == 'Debian' or ansible_distribution == 'Ubuntu'


- name: install xcaddy from github
  block:
    - name: determine host architecture
      include_tasks: tasks/get_host_arch.yml


    - name: create xcaddy dir
      file:
        path: "{{ caddy_xcaddy_dir }}"
        state: directory


    - name: get latest xcaddy version
      include_tasks: tasks/get_lastversion.yml
      vars:
        package:
          name: caddyserver/xcaddy
          location: github
          file: "{{ (caddy_conf_dir, 'last_xcaddy_version') | path_join }}"
          assets: yes
          asset_filter: "{{ 'linux_' ~ host_architecture ~ '.tar.gz$' }}"
          extract: "{{ caddy_xcaddy_dir }}"


    - name: ensure xcaddy binary has executable flag set
      file:
        path: "{{ (caddy_xcaddy_dir, 'xcaddy') | path_join }}"
        mode: "+x"


    - name: copy xcaddy to bin dir
      copy:
        src: "{{ (caddy_xcaddy_dir, 'xcaddy') | path_join }}"
        dest: "{{ (caddy_bin_dir, 'xcaddy') | path_join }}"
        remote_src: yes
        mode: "+x"


    - name: install golang
      package:
        name: go

  when: ansible_distribution == 'Alpine'


- name: get latest caddy version
  include_tasks: tasks/get_lastversion.yml
  vars:
    package:
      name: caddyserver/caddy
      location: github
      file: "{{ (caddy_conf_dir, 'last_caddy_version') | path_join }}"


- name: generate build command
  set_fact:
    caddy_build_command: >-
      {{
        'xcaddy build ' ~ (
          [] | zip_longest((caddy_default_plugins | d([])) +
            (caddy_custom_plugins | d([])) | select() | map('quote'), fillvalue='--with ')
            | map('join') | list | join(' ')
        ) ~ ' --output ' ~ ((caddy_bin_dir, 'caddy') | path_join | quote) }}


- name: save build command to a file
  copy:
    content: "{{ caddy_build_command }}"
    dest: "{{ (caddy_conf_dir, 'build_info') | path_join }}"
    mode: 0400
  register: result


- name: build caddy binary if a new version is found or build command was changed
  shell:
    cmd: "{{ caddy_build_command }}"
    chdir: "{{ caddy_bin_dir }}"
  register: result
  when: package_changed or result.changed
  notify: restart caddy


- name: check if caddy version and last version are identical
  shell:
    cmd: "caddy version | cut -d ' ' -f1 | cut -b2- | diff -wq {{ (caddy_conf_dir, 'last_caddy_version') | path_join | quote }} -"
  register: result
  failed_when: result.rc != 0
  changed_when: no